/*
 * Copyright (c) 2023-2025 110476592@qq.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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/**
 * @file pen_item.cpp
 * @brief 截图工具 
 * @author 110476592@qq.com 
 * @note   承接Qt项目外包定制开发。长期接收C++项目实训学徒,联系QQ：110476592。
 */

 
#include "pen_item.h"
#include <QtGui>

PenItem::PenItem(QWidget* parent)
    : QPushButton(parent)
    ,m_color("#333")
{
    setCursor(Qt::PointingHandCursor);
}

PenItem::~PenItem()
{
}

void PenItem::setPenWidth(qreal penWidth){
    m_penWidth = penWidth;
}

qreal PenItem::getPenWidth()
{
    return m_penWidth ;
}

void PenItem::setMaxPenWidth(qreal maxPenWidth){
    m_maxPenWidth = maxPenWidth;
}

void PenItem::paintEvent(QPaintEvent * event)
{
    Q_UNUSED(event);

    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing);
    painter.save();
    painter.setBrush(QBrush(m_color));
    //将数值和半径进行比例换算
    qreal diameter = (width() - 2) / m_maxPenWidth * m_penWidth;
    diameter = qMax(2.0, diameter);
    qreal x = (width() - diameter) / 2;

    painter.drawEllipse(x, x, diameter, diameter);
    painter.restore();
    if(m_hover ||this->isChecked()){
        QPen pen(QColor("#333"));
        pen.setWidth(1);
        painter.setPen(pen);
        QRect rc = rect();
        painter.drawRect(rc);
    }

}

void PenItem::enterEvent(ELEnterEvent *event)
{   Q_UNUSED(event);
    m_hover = true;
    repaint();
}

void PenItem::leaveEvent(QEvent *event)
{   Q_UNUSED(event);
    m_hover = false;
    repaint();
}


